[  506.439883] bond0: (slave eth0): making interface the new active one
[  506.439993] bond0: (slave eth0): Enslaving as an active interface with an up link
[  510.610362] bond0: (slave eth0): Releasing backup interface
[  510.683349] bond0: (slave eth0): Enslaving as an active interface with an up link
[  514.832482] bond0: (slave eth0): Releasing backup interface
[  514.870363] bond0 (unregistering): Released all slaves